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23. A note on a geometric construction of large Cayley graps of given degree and diameterGyörgy Kiss, István Kovács, Klavdija Kutnar, János Ruff, Primož Šparl, 2009, izvirni znanstveni članek Opis: An infinite series and some sporadic examples of large Cayley graphs with given degree and diameter are constructed. The graphs arise from arcs, caps and other objects of finite projective spaces.
Ključne besede: degree, diameter problem, Moore bound, finite projective spaces
Objavljeno v RUP: 15.10.2013; Ogledov: 3343; Prenosov: 69
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25. Semiovals contained in the union of three concurrent linesAart Blokhuis, György Kiss, István Kovács, Aleksander Malnič, Dragan Marušič, János Ruff, 2007, izvirni znanstveni članek Opis: Semiovals which are contained in the union of three concurrent lines are studied. The notion of a strong semioval is introduced, and a complete classification of these objects in PG▫$(2,p)$▫ and PG▫$(2,p^2)$▫, ▫$p$▫ an odd prime, is given.
Ključne besede: mathematics, semioval, group factorization
Objavljeno v RUP: 15.10.2013; Ogledov: 2914; Prenosov: 130
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